28978689

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9767}}^1$

素因数の和:9836

約数の個数: 16

約数和(自身を含む): 41260032

約数和(自身を除く): 12281343

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 9767, 29301, 224641, 419981, 673923, 1259943, 9659563, 28978689]

約数ペア:

[(1, 28978689), (3, 9659563), (23, 1259943), (43, 673923), (69, 419981), (129, 224641), (989, 29301), (2967, 9767)]